3 pangkat 2x-2 X 9pangkat x+2 = 1

[tex] {3}^{2x - 2} \times {9}^{x + 2} = 1 \\ {3}^{2x - 2} \times {3}^{2(x + 2)} = 1 \\ {3}^{2x - 2 + 2x + 4} = {3}^{0} \\ 4x + 2 = 0 \\ 4x = - 2 \\ x = - \frac{1}{2} [/tex]